ZyXEL Communications IES-1248-51 Betriebsanweisung PDF herunterladen (Seite 36)

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Chapter 1 Introducing the IES-1248-51V

IES-1248-51V User’s Guide

Advanced call features such as call forwarding and call waiting are integrated to

ease next-generation network migration and access network deployment. To

further simplify migration towards an all-IP network, the IES-1248-51V's FXS line

interface can co-exist with ADSL service on the same copper wire. Metallic Line

Testing (MLT) is also available for copper loop diagnostics.

1.2 MDU Application

The following diagram depicts a typical application of the IES-1248-51V with ADSL

modems and/or analog phones, in a large residential building, or multiple-dwelling

unit (MDU), that leverages existing phone line wiring to provide Internet access

and voice service to all tenants. A tenant can connect his phone line to an analog

phone, an ADSL CPE or a splitter (SP) which then connects to both a telephone

and a CPE device. Note that ADSL service can coexist with voice service on the

same line. For connecting to the ISP, you can use Gigabit or Fast Ethernet cable to

connect to a switch (S), router (R), and then an Media Gateway Controller (MGC)

or a softswitch (SSW) before connecting to the Internet. The Trunking Gateway

(TG) seperates voice and data traffic.

Figure 1 MDU Application (Using Gigabit or Fast Ethernet for Uplink Connection)

You can also connect a GEPON SFP Optical Network Unit (ONU) tranceiver which

allows the IES-1248-51V to act as a GEPON ONU. The fiber connection to the

Internet

PSTN

Building A

Building B

MGC/SSW

IES

CPE

MDF

CPE

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